88 	struct snd_pcm_runtime *runtime = substream->runtime;  in bf5xx_pcm_prepare()  local
89 	struct sport_device *sport = runtime->private_data;  in bf5xx_pcm_prepare()
90 	int period_bytes = frames_to_bytes(runtime, runtime->period_size);  in bf5xx_pcm_prepare()
96 		period_bytes = period_bytes / runtime->channels * 8;  in bf5xx_pcm_prepare()
101 		sport_config_tx_dma(sport, runtime->dma_area,  in bf5xx_pcm_prepare()
102 			runtime->periods, period_bytes);  in bf5xx_pcm_prepare()
105 		sport_config_rx_dma(sport, runtime->dma_area,  in bf5xx_pcm_prepare()
106 			runtime->periods, period_bytes);  in bf5xx_pcm_prepare()
114 	struct snd_pcm_runtime *runtime = substream->runtime;  in bf5xx_pcm_trigger()  local
115 	struct sport_device *sport = runtime->private_data;  in bf5xx_pcm_trigger()
144 	struct snd_pcm_runtime *runtime = substream->runtime;  in bf5xx_pcm_pointer()  local
145 	struct sport_device *sport = runtime->private_data;  in bf5xx_pcm_pointer()
167 	frames = bytes_to_frames(substream->runtime, diff);  in bf5xx_pcm_pointer()
169 		frames = frames * runtime->channels / 8;  in bf5xx_pcm_pointer()
179 	struct snd_pcm_runtime *runtime = substream->runtime;  in bf5xx_pcm_open()  local
190 		runtime->hw.buffer_bytes_max /= 4;  in bf5xx_pcm_open()
192 		runtime->hw.info |= SNDRV_PCM_INFO_MMAP;  in bf5xx_pcm_open()
194 	ret = snd_pcm_hw_constraint_integer(runtime,  in bf5xx_pcm_open()
205 		runtime->private_data = sport_handle;  in bf5xx_pcm_open()
219 	struct snd_pcm_runtime *runtime = substream->runtime;  in bf5xx_pcm_mmap()  local
221 	vma->vm_start = (unsigned long)runtime->dma_area;  in bf5xx_pcm_mmap()
232 	struct snd_pcm_runtime *runtime = substream->runtime;  in bf5xx_pcm_copy()  local
233 	unsigned int sample_size = runtime->sample_bits / 8;  in bf5xx_pcm_copy()
243 			dst = runtime->dma_area;  in bf5xx_pcm_copy()
247 				for (i = 0; i < runtime->channels; i++) {  in bf5xx_pcm_copy()
255 			src = runtime->dma_area;  in bf5xx_pcm_copy()
260 				for (i = 0; i < runtime->channels; i++) {  in bf5xx_pcm_copy()
271 			dst = runtime->dma_area;  in bf5xx_pcm_copy()
272 			dst += frames_to_bytes(runtime, pos);  in bf5xx_pcm_copy()
274 			src = runtime->dma_area;  in bf5xx_pcm_copy()
275 			src += frames_to_bytes(runtime, pos);  in bf5xx_pcm_copy()
279 		memcpy(dst, src, frames_to_bytes(runtime, count));  in bf5xx_pcm_copy()
289 	struct snd_pcm_runtime *runtime = substream->runtime;  in bf5xx_pcm_silence()  local
290 	unsigned int sample_size = runtime->sample_bits / 8;  in bf5xx_pcm_silence()
291 	void *buf = runtime->dma_area;  in bf5xx_pcm_silence()
301 		offset = frames_to_bytes(runtime, pos);  in bf5xx_pcm_silence()
302 		samples = count * runtime->channels;  in bf5xx_pcm_silence()
305 	snd_pcm_format_set_silence(runtime->format, buf + offset, samples);  in bf5xx_pcm_silence()